Niacinamide is also known as Vitamin B3. It has been shown to reduce water loss in the skin and retain fatty acid, making skin look younger and firmer. It has also been proven to be a very good acne reducer used as a topical treatment. One of its many other great qualities is its ability to help even skin tone in people with hyperpigmentation, sun spots, and age spots on the skin. It is a powerful skin lightener proven in clinical trials to lighten skin.